A power strip protects a lamp. A panel-mounted surge device protects the furnace board, the heat pump, the range and every circuit in the house. OSB installs whole-house surge protection across Chelmsford in a single short visit.
“The dispatcher actually understood what I was describing on the phone and told me which breaker to shut off before they arrived.”
“The quote they gave me on the phone was the number on the invoice. That is apparently rare and it shouldn't be.”
“Bought an EV and had no idea what my panel could handle. They did the load calculation, told me straight that I had room, and installed the charger two days later.”
It's one of the cheapest protective upgrades available — typically a few hundred dollars installed when there's panel space. Far less than one furnace control board.
No, it layers with them. The panel device knocks down the big hit; point-of-use strips clean up what's left for sensitive electronics.
Nothing stops a direct strike. Surge devices handle the far more common nearby strikes, utility switching and grid transients that quietly kill appliance boards.
Usually under two hours in a Chelmsford home, with a short power interruption.
That's the best time to do it, and it's the cheapest moment too.
Recessed, outdoor, LED retrofit
See serviceCKT 15ANew boxes, remotes, high ceilings
See serviceCKT 3PHOffices, retail, restaurants, warehouse
See serviceCKT 24/7No power, sparks, burning smell
See serviceCKT 14/2Knob-and-tube and aluminium replacement
See serviceCKT 100AStandby and whole house backup
See serviceFlat pricing quoted before the work starts. Same-day and next-day slots available across Massachusetts.
A plain breakdown of what actually moves the number on a Massachusetts panel upgrade quote.
ReadGUIDESeven questions, and what a good answer to each sounds like.
ReadGUIDEWhen repeated repairs stop being repairs and start being a symptom.
Read